Add graphify Kilo plugin and documentation for knowledge graph usage

.kilo/plugins/graphify.js

@@ -0,0 +1,26 @@
+// graphify Kilo plugin
+// Injects a knowledge graph reminder before bash tool calls when the graph exists.
+import { existsSync } from "fs";
+import { join } from "path";
+
+export const GraphifyPlugin = async ({ directory }) => {
+  let reminded = false;
+
+  return {
+    "tool.execute.before": async (input, output) => {
+      if (reminded) return;
+      if (!existsSync(join(directory, "graphify-out", "graph.json"))) return;
+
+      if (input.tool === "bash") {
+        // Separate with ';' not '&&' — Windows PowerShell 5.1 rejects '&&' as a
+        // statement separator ("not a valid statement separator"), which broke
+        // the first bash command in every OpenCode session on Windows (#1646).
+        // ';' works in PowerShell 5.1, Bash, and POSIX shells alike.
+        output.args.command =
+          'echo "[graphify] Knowledge graph available. Read graphify-out/GRAPH_REPORT.md for god nodes and architecture context before searching files." ; ' +
+          output.args.command;
+        reminded = true;
+      }
+    },
+  };
+};